BirdAnalyst
Species · Alaska · BBS 2025 Release · 1966–2024

Red-tailed Hawk Population Trend in Alaska

All statesGeneralists

Red-tailed Hawk in Alaska has held roughly steady: up 3% on the route-weighted index since 1984.

+3%Since 1984TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
53Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
42YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Red-tailed Hawk Trends in AlaskaNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Red-tailed Hawk in Alaska. See the full index history below.

Red-tailed Hawk Population Forecast in Alaska

If the recent trend holds, Red-tailed Hawk in Alaska is projected to rise about 47% by 2029 — from 0.07 in 2024 to a central estimate of 0.11 (95% range 0.00–0.22). A 5-year backtest shows a typical error of ±29%, with 100% of held-out values landing inside the 95% band.

+47%Change by 2029TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
0.11Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–0.2295% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±29%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Red-tailed Hawk in Alaska is projected to rise about 47% by 2029 — from 0.07 in 2024 to a central estimate of 0.11 (95% range 0.00–0.22). A 5-year backtest shows a typical error of ±29%, with 100% of held-out values landing inside the 95% band.19822029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20250.110.000.22
20260.110.000.22
20270.110.000.22
20280.110.000.22
20290.110.000.22

Red-tailed Hawk Survey Routes in Alaska

Routes recording Red-tailed Hawk in Alaska.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Circle219871987
Northway220121994
Haines219981989
Nicholai Sl220171993
Skagway220232023
Porcupine R.220021998
Ft. Richrdsn220221998
Moose Pass219921992
Eagle120021992
Chatanika R120232004
Birch Lake120011993
Nabesna Road120001993
Slana120241995
Tower Bluffs120071997
Chistochina120241992
Kuskulana120181990
Monahan119911991
Cantwell120012000
Stikine River120222005
Burma Road120111996
Caribou Mtn.120161998
Coldfoot120182018
Donelly Dome120192000
Craig119831983
Hather Creek120241994

Red-tailed Hawk Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.